<% if groupThumbImage.image.nil? %>
<%= link_to(image_tag('default_group_thumb.jpg', :alt => "#{groupThumbImage.title}", :class => 'picborder'),
           group_path(groupThumbImage))
%>
<% else %>
<%= link_to(image_tag(url_for_file_column(groupThumbImage, "image", "thumb"), :alt => "#{groupThumbImage.title}", :class => 'picborder'),
           group_path(groupThumbImage))
%>
<% end %>